最新ansys桥梁受力分析命令流.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-dateansys桥梁受力分析命令流/FILNAME,Bolt,1-/FILNAME,Bridge ,1!定义工作文件名。/TITLE,Bridge Analysis!定义工作标题。 /PREP7 ET,1, BEAM188 ET,2, SHELL63!定义单元。!定义材料属性。 MPTEMP,!定义桥面材料1属性。MPTEMP,1,0 MPDATA,EX,1,1.6e5 M

2、PDATA,PRXY,1,0.35 MPTEMP, MPTEMP,1,0 MPDATA,DENS,1,6e-6 MPTEMP,!定义梁材料2属性。MPTEMP,1,0 MPDATA,EX,2,2.06e5 MPDATA,PRXY,2,0.3 MPTEMP, MPTEMP,1,0 MPDATA,DENS,2,7.83e-6 !定义截面。SECTYPE, 1, BEAM, HREC, , 0!定义1号截面。SECOFFSET, CENT SECDATA,300,650,55,55,55,55,0,0,0,0 SECTYPE, 2, BEAM, RECT, , 0!定义2号截面。 SECOFFSET

3、, CENT SECDATA,850,300,8,8,0,0,0,0,0,0SECTYPE, 3, BEAM, CTUBE, , 0!定义3号截面。SECOFFSET, CENT SECDATA,25,45,8,0,0,0,0,0,0,0 SECTYPE, 4, BEAM, RECT, , 0!定义4号截面。 SECOFFSET, CENT SECDATA,280,280,8,8,0,0,0,0,0,0SECTYPE, 5, BEAM, HREC, , 0!定义5号截面。 SECOFFSET, USER, -6, 150 SECDATA,600,300,8,8,8,8,0,0,0,0!定义实常

4、数。R,8,12, , , , , , RMORE, , , ,RMORE RMORE, ,R,200, , , , , , , RMORE, , , ,RMORE RMORE, ,!建立几何模型!创建主拱。K,1,4000,5989.3, !创建主拱关键点。K,2,4000,5833.3,2500, K,3,4000,5357.6,5000, K,4,4000,4538.3,7500, K,5,4000,3326.6,10000, K,6,4000,1632.3,12500, K,7,4000, ,14318.1, K,8,4000,-3000,33509.9/2, K,9,4000, ,

5、K,10,4000, ,2500, K,11,4000, ,5000, K,12,4000, ,7500, K,13,4000, ,10000, K,14,4000, ,12500, K,15,4000, ,33509.9/2, FLST,3,8,3 !创建主拱轮廓线。 FITEM,3,1 FITEM,3,2 FITEM,3,3 FITEM,3,4 FITEM,3,5 FITEM,3,6 FITEM,3,7 FITEM,3,8 BSPLIN, ,P51X LSTR, 1, 9 LSTR, 2, 10 LSTR, 3, 11 LSTR, 4, 12 LSTR, 5, 13 LSTR, 6, 14

6、 LSTR, 15, 8LSTR, 9, 7 LSTR, 15, 7FLST,2,2,4,ORDE,2 FITEM,2,1 FITEM,2,9 FLST,2,2,4,ORDE,2 FITEM,2,1 FITEM,2,9 FLST,3,6,4,ORDE,3 FITEM,3,3 FITEM,3,-7 FITEM,3,10 LSBL,P51X,P51X LSTR, 2, 10 LSTR, 3, 11 LSTR, 4, 12 LSTR, 5, 13 LSTR, 6, 14 LSTR, 15, 7 K,16,4000,-1627.3,19396.9,!创建副拱关键点1628。K,17,4000,-706

7、.3,22038.9, K,18,4000, ,27321.6, K,19,4000,-706.3,32604.3, K,20,4000,-1627.3,35246.3,K,21,4000,-3000 ,37888.3, K,22,4000, ,19396.9, K,23,4000, ,22038.9, K,24,4000, ,32604.3, K,25,4000, ,35246.3,K,26,4000, ,37888.3, K,27,4000, ,24680.2, K,28,4000, ,29962.9,FLST,3,4,3 !创建副拱轮廓线。FITEM,3,8 FITEM,3,16 FIT

8、EM,3,17 FITEM,3,18 BSPLIN, ,P51X FLST,3,4,3!创建副拱轮廓线。FITEM,3,18 FITEM,3,19 FITEM,3,20 FITEM,3,21 BSPLIN, ,P51X LSTR, 16, 22 LSTR, 17, 23 LSTR, 19, 24 LSTR, 20, 25 LSTR, 21, 26 LSTR, 26, 24 LSTR, 23, 15 LSTR, 23, 27 LSTR, 27, 18 LSTR, 28, 18 LSTR, 28, 24 FLST,2,4,4,ORDE,4!副拱分割。FITEM,2,9 FITEM,2,-10 FI

9、TEM,2,29 FITEM,2,-30 FLST,3,4,4,ORDE,2 FITEM,3,24 FITEM,3,-27 LSBL,P51X,P51X LSTR, 16, 22!创建副拱立柱。LSTR, 17, 23 LSTR, 19, 24 LSTR, 20, 25 !创建桥面。K,29, ,5989.3, !创建桥面关键点2948。K,30, ,5833.3,2500, K,31, ,5357.6,5000, K,32, ,4538.3,7500, K,33, , ,14318.1, K,34, , , K,35, , ,2500, K,36, , ,5000, K,37, , ,750

10、0, K,38, , ,10000, K,39, , ,12500, K,40, , ,33509.9/2,K,41, , ,19396.9, K,42, , ,22038.9, K,43, , ,27321.6, K,44, , ,32604.3, K,45, , ,35246.3,K,46, , ,37888.3,K,47, , ,24680.2, K,48, , ,29962.9,!创建桥面关键点完成。LSTR, 1, 29!创建桥面横梁。LSTR, 2, 30LSTR, 3, 31 LSTR, 4, 32 LSTR, 7, 33 LSTR, 9, 34 LSTR, 10, 35LSTR

11、, 11, 36 LSTR, 12, 37 LSTR, 13, 38 LSTR, 14, 39 LSTR, 15, 40LSTR, 22, 41 LSTR, 23, 42LSTR, 18, 43LSTR, 24, 44 LSTR, 25, 45LSTR, 26, 46 LSTR, 27, 47LSTR, 28, 48FLST,2,4,3!创建桥面。FITEM,2,46 FITEM,2,34 FITEM,2,9 FITEM,2,26 A,P51X FLST,3,14,4,ORDE,5 FITEM,3,45 FITEM,3,47 FITEM,3,-57 FITEM,3,59 FITEM,3,-60

12、 ASBL, 1,P51X !网格划分。FLST,5,75,4,ORDE,4!单元大小控制。FITEM,5,1 FITEM,5,-60 FITEM,5,63 FITEM,5,-77 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,_Y LESIZE,_Y1,260, , , , , , ,1!桥面单元、材料分配及网格划分。TYPE, 2 MAT, 1REAL, 8 ESYS, 0 MSHAPE,0,2D MSHKEY,0FLST,5,15,5,ORDE,2 FITEM,5,2 FITEM,5,-16 CM,_Y,AREA ASEL, , , ,P51X

13、 CM,_Y1,AREA CHKMSH,AREA CMSEL,S,_Y AMESH,_Y1 CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2 !主拱、副拱单元、材料分配及网格划分。TYPE, 1 !主拱、副拱单元、材料分配。MAT, 2REAL, 200 ESYS, 0 SECNUM, 1 FLST,2,13,4,ORDE,5!主拱、副拱线共13条：1117,35,3741。FITEM,2,11 FITEM,2,-17 FITEM,2,35 FITEM,2,37 FITEM,2,-41 LMESH,P51X !桥面主梁单元、材料分配及网格划分。TYPE, 1 ! 桥面主梁单元、材

14、料分配。MAT, 2REAL, 200 ESYS, 0 SECNUM, 2 FLST,2,15,4,ORDE,8 !桥面主梁线共15条：7，1823, 3134,36,4244。FITEM,2,7 FITEM,2,18 FITEM,2,-23 FITEM,2,31 FITEM,2,-34 FITEM,2,36 FITEM,2,42 FITEM,2,-44 LMESH,P51X !主拱拉梁、横梁单元、材料分配及网格划分。TYPE, 1 !主拱拉梁、横梁单元、材料分配。MAT, 2REAL, 200 ESYS, 0 SECNUM, 3 FLST,2,10,4,ORDE,6 ! 主拱拉梁、横梁线共1

15、0条:16, 26,27,29,30。 FITEM,2,1 FITEM,2,-6 FITEM,2,26 FITEM,2,-27 FITEM,2,29 FITEM,2,-30 LMESH,P51X !副拱立柱单元、材料分配及网格划分。TYPE, 1 MAT, 2REAL, 200 ESYS, 0 SECNUM, 4 FLST,2,6,4,ORDE,5 ! 副拱立柱线共6条:810, 24,25,28。 FITEM,2,8 FITEM,2,-10 FITEM,2,24 FITEM,2,-25 FITEM,2,28 LMESH,P51X!桥面横梁单元、材料分配及网格划分。TYPE, 1 MAT, 2

16、REAL, 200 REAL, ESYS, 0 SECNUM, 5 FLST,2,16,4,ORDE,2 !桥面横梁线共16条:4560。FITEM,2,45 FITEM,2,-60 LMESH,P51X !扩展显示设置。/EXPAND,2,LRECT,HALF,0.0001,2,LRECT,HALF,0.0001, ,RECT,FULL, /REPLOT!单元显示设置。/SHRINK,0 /ESHAPE,1.0 /EFACET,1 /RATIO,1,1,1/CFORMAT,32,0 /REPLOT!加载并求解。FLST,2,16,4,ORDE,3 !施加线对称约束（共16条）：线46，637

17、7。FITEM,2,46 FITEM,2,63 FITEM,2,-77 DL,P51X, ,SYMM FLST,5,4,1,ORDE,4 !施加节点对称约束。FITEM,5,2919 !选择节点2919，2935，2951，2967。FITEM,5,2935FITEM,5,2951FITEM,5,2967NSEL,R, , ,P51XDSYM,SYMM,X, , ALLSEL,ALL !选择所有元素。FLST,5,2,4,ORDE,2 FITEM,5,2 FITEM,5,26 LSEL,R, , ,P51X LPLOT ALLSEL,BELOW,LINE NSLL,S,1DSYM,SYMM,Z, , ALLSEL,ALL !选择所有元素。FLST,2,2,4,ORDE,2 !施加边28，58位移约束。FITEM,2,28 FITEM,2,58 /GO DL,P51X, ,ALL, FLST,2,1,3,ORDE,1 !施加点8位移约束。FITEM,2,8 /GO DK,P51X, , , ,0,ALL, , , , , ,FLST,2,15,5,ORDE,2!施加桥面均布载荷。FITEM,2,2 FITEM,2,-16 /GO SFA,P51X,1,PRES,0.005 ACEL,0,9.8,0, !定义重力场。!求解。/SOLSOLVE